Age Eggs (days) treated

Treatments

0.1

0.3

0.5

1.0

2.0

LE R* LE R* LE R* LE R* LE R*
1 27.5 ± 1.5a 67 1.0 ± 1.0a 99 1.5 ± 0.9a 98 2.5 ± 1.5a 97 0.0 ± 0.0a ----
2 36.0 ± 1.8b 58 3.0 ± 0.5b 96 1.0 ± 0.5a 99 0.0 ± 0.0a ---- 0.0 ± 0.0ac ----
3 54.5 ± 2.2c 31 9.5 ± 0.9ab 88 3.7 ± 0.8a 95 6.5 ± 0.9ab 92 5.0 ± 0.7bd 94
4 56.0 ± 2.9c 28 37.7 ± 4.1c 51 38.5 ± 3.3b 50 36.5 ± 1.2c 53 0.0 ± 0.0ac ----
5 63.5 ± 3.5c 15 32 ± 2.1c 57 30.7 ± 2.8b 59 20.2 ± 1.1d 73 0.0 ± 0.0ac ----
6 56.5 ± 4.0c 25 35.7 ± 0.8c 25 27.0 ± 1.4b 64 26.2 ± 1.6e 65 7.0 ± 1.3bd 91
F-values 24.60*** 70.31*** 67.90*** 147.3*** 27.69***
LE- Mean ± SE caterpillars hatched.
R*- % reduction over Abbott [27], mortality of caterpillars hatching.
Means in each column followed by the same letter are not significantly different by Tukey’s test (P<0.05); ); *** P< 0.0001.
Table 3: % Mean ± SE in the caterpillars of eggs and respective mortality in Diatraea saccharalis (Lepidoptera: Crambidae) after one or two days of hatching.